21.   They have a tendency to be a bit too loud, too indiscreet, for certain company.

22.   They were not entirely satisfactory and had a tendency to derail on the very sharp corner at Pitlake.

23.   The drug is effective but has a tendency to cause headaches.

24.   She has a tendency to generalize from her husband to all men.

25.   These plants have a tendency to grow in the more rural areas.

26.   He has a tendency towards pretentiousness.

27.   They have a tendency to try to sidetrack you from your task.

28.   They have a tendency to show off, to dramatize almost every situation.

29.   He had a tendency to idealize his heroes and believe they could do no wrong.

30.   Boys have a tendency toward mimetic behavior, often imitating their fathers at a fairly early age.